JPH0479409B2 - - Google Patents

Info

Publication number
JPH0479409B2
JPH0479409B2 JP58090407A JP9040783A JPH0479409B2 JP H0479409 B2 JPH0479409 B2 JP H0479409B2 JP 58090407 A JP58090407 A JP 58090407A JP 9040783 A JP9040783 A JP 9040783A JP H0479409 B2 JPH0479409 B2 JP H0479409B2
Authority
JP
Japan
Prior art keywords
light
light emitting
emitting display
measuring means
amount measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58090407A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59230143A (ja
Inventor
Masaaki Sudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP9040783A priority Critical patent/JPS59230143A/ja
Publication of JPS59230143A publication Critical patent/JPS59230143A/ja
Publication of JPH0479409B2 publication Critical patent/JPH0479409B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP9040783A 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置 Granted JPS59230143A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9040783A JPS59230143A (ja) 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9040783A JPS59230143A (ja) 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置

Publications (2)

Publication Number Publication Date
JPS59230143A JPS59230143A (ja) 1984-12-24
JPH0479409B2 true JPH0479409B2 (enExample) 1992-12-15

Family

ID=13997727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9040783A Granted JPS59230143A (ja) 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置

Country Status (1)

Country Link
JP (1) JPS59230143A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7245721B2 (ja) * 2019-05-31 2023-03-24 株式会社アドバンテスト 試験装置、試験方法およびプログラム
CN111307432A (zh) * 2020-02-29 2020-06-19 三门县点帆环保科技有限公司 一种汽车空调上的冷暖指示灯带检测装置
CN111289234A (zh) * 2020-03-18 2020-06-16 三门县点帆环保科技有限公司 一种汽车空调指示灯带的检测装置
JP7374937B2 (ja) 2021-01-13 2023-11-07 株式会社アドバンテスト 試験装置、試験方法およびプログラム
JP7386190B2 (ja) 2021-01-21 2023-11-24 株式会社アドバンテスト 試験装置、試験方法およびプログラム
JP7355773B2 (ja) 2021-02-26 2023-10-03 株式会社アドバンテスト 試験装置、試験方法およびプログラム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100154U (enExample) * 1978-12-29 1980-07-12

Also Published As

Publication number Publication date
JPS59230143A (ja) 1984-12-24

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